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RECEIVED <br /> FEB 4 2013 <br /> January 23,2013 ENVPERNM%SERVICEENTAL S'TN <br /> Mr. Ted Tasiopoulos .21q <br /> /j 3 <br /> San Joaquin County <br /> Environmental Health Department <br /> 600 E. Main St., <br /> Stockton,CA. 95202-2708 <br /> RE: 4th Quarter 2012 Septic Tank Monitoring <br /> Commercial Septic Permit #SR0033926 <br /> Dear Mr. Tasiopoulos, <br /> Enclosed please find the most recent analytical results for sampling of Musco Family <br /> Olive Company's commercial septic system. <br /> Analytical Results <br /> The IDS ranged from 1,550— 1,830 mg/L in the 4th quarter of 2012. TSS ranged 16— <br /> 10,300 mg/L. The BOD ranged from 69.6—324 mg/L. Sodium levels remained <br /> moderate at 515 - 549 mg/L. Nitrate nitrogen levels all reported<0.1 mg/L. Total <br /> Kjeldahl Nitrogen ranged from 77 - 122 mg/L. Total Organic Carbon (TOC) also <br /> maintained moderate levels of 19—69 mg/L. Please note that the monitoring <br /> requirements request that carbonaceous biological oxygen demand (C.B.O.D.) be one of <br /> the analytical parameters but with approval of EHD,we have substituted total organic <br /> carbon (T.O.C) for C.B.O.D. Please see the tables on following pages,which <br /> summarizes the analytical results. <br />